2564486 has 8 divisors (see below), whose sum is σ = 3886680. Its totient is φ = 1268928.

The previous prime is 2564459. The next prime is 2564489. The reversal of 2564486 is 6844652.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2564489) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6416 + ... + 6803.

It is an arithmetic number, because the mean of its divisors is an integer number (485835).

2^2564486 is an apocalyptic number.

2564486 is a deficient number, since it is larger than the sum of its proper divisors (1322194).

2564486 is a wasteful number, since it uses less digits than its factorization.

2564486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13318.

The product of its digits is 46080, while the sum is 35.

The square root of 2564486 is about 1601.4012613958. The cubic root of 2564486 is about 136.8779348564.

The spelling of 2564486 in words is "two million, five hundred sixty-four thousand, four hundred eighty-six".